商贸 （电子商务、海关）advancement, payment on account 垫付bottleneck restrictions 瓶颈制约fair, meeting 洽谈会off-grade goods, rejects 等外品subunderwriting, distribution (产品）分销two-for-one offer, buy one get one free 买一送一IPRs (Intellectual property rights) 知识产权 (of two countries or companies) have complementary advantages 优势互补 “closed-door” policy 闭关政策20% off / 20% discount 八折AAMA (Administrative Aspects of Market Access) 市场准人的行政管理措施ABAC Meeting (APEC Business Advi
